Home / 396,578,429.10-594,867,643.65-320,050,925.10

Finding the Fourth Proportional to 396,578,429.10, 594,867,643.65 and 320,050,925.10

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Solution

The fourth proportional to 396,578,429.10, 594,867,643.65 and 320,050,925.10 is: 480,076,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,578,429.10 : 594,867,643.65 = 320,050,925.10 : x
  2. Step 2: Convert to fraction form
    396,578,429.10/594,867,643.65 = 320,050,925.10/x
  3. Step 3: Cross multiply
    396,578,429.10x = 594,867,643.65 × 320,050,925.10
  4. Step 4: Simplify right side
    396,578,429.10x = 190,387,939,662,239,648
  5. Step 5: Solve for x
    x = 190,387,939,662,239,648/396,578,429.10
  6. Step 6: Final answer
    x = 480,076,387.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.